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| Publication Type:
| Refereed |
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| Author(s): | Teo, B. K.;
Verma, P. R.;
Morrall, R. A. A. |
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| Author Affiliation: | Canadian Polytechnic College; Agriculture Canada Research Station; Department of Biology, University of Saskatchewan |
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| Title: | The effects of herbicides and mycoparasites at different moisture levels on carpogenic germination in Sclerotinia sclerotiorum |
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| Source: | Plant and Soil. Vol. 139, No. 1, January 1992, p. 99-107. |
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| Publishing Information: | Dordrecht, Netherland: Martinus Nijhoff Publishers |
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| Related Web URL: | http://link.springer.com/article/10.1007/BF00012847
Last checked: 10/14/2015
Notes: Abstract only |
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| Keywords: | TIC Keywords: Germination; Herbicides; Parasites; Sclerotinia; Soil moisture
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| Abstract/Contents: | Two similar inclined boxes were constructed differing in several aspects from one developed earlier to regulate soil moisture potential. Each box had six 10-cm wide compartments with a perforated plastic cover. Boxes were placed in a room held at 10 C with a RH of 90%. The differential perforations in the plastic that covered the soil surface regulated evaporation which in turn regulated soil moisture. One box was used to carry out experiments on five herbicides at different matric potentials while the other box was used to test five mycoparasites. The herbicides chlorsulfuron, cyanazine, metribuzin, triallate and trifluralin significantly reduced the carpogenic germination of sclerotia of Sclerotinia sclerotiorum. Among five mycoparasites, Coniothyrium minitans completely inhibited germination. Penicillum sp., Sporidesmium sclerotivorum and Teratosperma oligocladium reduced germination in one of the two tests. The influence of soil moisture on carpogenic germination was significant in all tests. There were interactions between herbicides and moisture and also between mycoparasites and moisture. However, soil moisture did not have a marked effect on the efficacy of herbicides and mycoparasites. |
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| Language: | English |
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| References: | 18 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Teo, B. K., P. R. Verma, and R. A. A. Morrall. 1992. The effects of herbicides and mycoparasites at different moisture levels on carpogenic germination in Sclerotinia sclerotiorum. Plant Soil. 139(1):p. 99-107. |
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